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Late at night, Yuta lay in bed. Kiko slept beside him, and their three children occasionally stirred in their cradles.
The moonlit room was quiet, but Yuta perceived a light within that was brighter than the moonlight outside.
This was a result of Yuta's soul fully integrating with this world. The mysterious beads no longer needed to suppress his soul's strangeness. Their extra capacity could be used externally, benefiting those around Yuta, though not to the same degree.
Yuta could control the external range, up to thirty meters, and could activate or deactivate it at will.
The emitted light was invisible, ensuring secrecy.
Yuta was currently using this ability to benefit his children and Kiko. He believed Kiko's strength would improve, and his children would thrive.
Early the next morning, Kiko fed the children. With triplets, extra formula was needed.
Yuta prepared breakfast while Kiko fed them, and made the formula. He also prepared chicken soup for Kiko, who had just given birth.
After feeding the children, Kiko joined Yuta at the table. "It's strange! I feel much better today. My spirit is improved," she said.
Yuta studied her. "Maybe you're comfortable at home and slept well?" he suggested.
Kiko considered this, but remained puzzled. "Maybe," she said, a hint of disappointment in her eyes.
Yuta, with his heightened senses, noticed her disappointment.
"I can't hide it anymore," he thought.
After breakfast, Yuta smiled at Kiko. "Kiko, I want to tell you a secret."
Kiko looked up, relief and happiness in her eyes, but she also looked worried. "If it's inconvenient, don't. I've felt uneasy.
I've sensed a distance between us, and everyone else. But that feeling vanished yesterday at home.
I wanted the truth, but I didn't expect you to conceal it."
"You have keen intuition!" Yuta said, surprised.
"I do have a secret, but since you insist, I'll tell you."
Kiko observed his smile. Knowing him, she understood that if he hadn't spoken during breakfast, the secret was significant.
If it was important to them and their children, she didn't need to know.
Kiko continued washing dishes. "If it's dangerous, don't tell me."
"Really? You're sure you don't want to know? You only have one chance."
Kiko, annoyed, picked up the wet chopsticks and threw them at him. "If you bother me, clean these dishes yourself!"
Seeing Kiko return to her usual self, Yuta left the kitchen, his smile widening.
In truth, Yuta wasn't reluctant to tell Kiko, but with Danzo's forces established, he worried about them discovering the abnormality in his family and searching their memories.
He couldn't simply place a seal in Kiko's mind.
In a cheerful mood, Yuta went to the Senju compound again and borrowed the First Hokage's Wood Release training manual from Mito.
In the following days, Yuta studied Wood Release whenever he had time, attempting to develop a ninjutsu suitable for fighting large enemies.
After several days of research, he discovered that Wood Release's ability to absorb chakra stemmed from its ability to absorb vitality.
Chakra was composed of vitality and mental energy. By absorbing vitality, Wood Release prevented the opponent from refining chakra.
Since this approach was unavailable, he focused on sealing techniques. He considered using magnetic escape seals or seals similar to the Planetary Devastation technique.
For fighting large enemies, he could adapt the Wood Style: Wood Golem Technique. Although it lacked chakra absorption, earth style was tangible and could maintain its shape, offering strong attack power.
Yuta began a new training regimen, leading Mito to bring Kiko and the children to the Senju compound again.
However, Kiko insisted on returning home at night, eager to benefit from Yuta's presence.
The next enlightenment opportunity arrived. Before Kiko went to the Senju compound, Yuta told her, "Think carefully about which aspects of your strength need improvement. I'll surprise you tonight."
Yuta spent the day training. Kiko's recent childbirth had freed him from missions, granting him ample time.
Kiko seemed distracted all day. Mito and Tsunade assumed Yuta had upset her.
Despite Kiko's explanations, they didn't believe her. When Tsunade escorted Kiko home, she lectured Yuta, who remained silent. Kiko was embarrassed.
That night, after putting the children to sleep, Yuta asked Kiko, "Have you decided?"
Kiko, after a day of deliberation, chose to improve her chakra control and Strange Strength, ensuring her family's safety.
Seeing Kiko nod, Yuta said mysteriously, "Close your eyes and relax."
A strange sensation washed over Kiko, and the challenges she faced in chakra control were instantly resolved. She also learned new, advanced skills. The wonderful feeling gradually subsided.